Summary of Legislative Debate on Resolution on Election Frauds, 28 November 1840 (Legislative Digital Edition)
Resolution regarding Election Frauds, [28 November 1840] (Legislative Digital Edition)
Abraham Lincoln to Buckner S. Morris and John J. Brown, 21 October 1847 (Congressional Digital Edition)
Abraham Lincoln to Peter Doty, 3 October 1853 (Campaign Digital Edition)
John D. Swallow to Abraham Lincoln, 13 June 1854 (Campaign Digital Edition)
Charles L. Duncan to Abraham Lincoln, 8 December 1854 (Campaign Digital Edition)
Abraham Lincoln to Elihu B. Washburne, 11 December 1854 (Campaign Digital Edition)
Abraham Lincoln to Gustave P. Koerner, 18 February 1856 (Campaign Digital Edition)